As ethologist and evolutionary biologist, I am interested in animal communication and in the evolution of animal coloration and animal colour vision. My research is focused in several relevant issues related to colour evolution in lacertids, such as colour perception, colour production, or the mechanisms involved in the maintenance of the colour variability in this extremely complex and variable lizard family. I adopt an interdisciplinary approach that includes visual modelling, behavioural tests, physiology, molecular analyses and comparative analysis. Currently, my main interest is the study of the evolutionary mechanisms that may explain the maintenance of population polychromatisms in the common wall lizard (Podarcismuralis).